Monthly Mean Maximum Temperatures Records
The following table lists the mean of the daily high temperatures(F) at Brookhaven National Laboratory since 1949.
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals
1949	43.8	44.8	47.2	59	68.8	78.8	83.7	82.3	71.1	67.9	52.7	44.4	62.04
1950	47	37.6	43.4	53.6	64.2	75.9	80.8	77.5	70	66	55	41.5	59.38
1951	42.5	43	47	60.5	70.5	74.5	81.5	79.2	74.9	63.9	50.8	45.2	61.13
1952	41.7	40.8	44.7	59.8	67.1	79.3	86.9	80.9	84.3	62.2	53.6	43.3	62.05
1953	43.1	44.6	47.7	75.3	68.3	78.9	83.4	80.6	76.4	65.8	56.1	47.5	63.98
1954	36.6	45.8	48.1	59.4	65.2	77.4	82	78.5	71.8	67.1	50.9	40.1	60.24
1955	35.1	39.5	46.8	58.9	72.4	75.1	85.2	82.2	71.7	65.2	49.6	33.8	59.63
1956	35.5	40.9	42.5	54	64.6	78.2	77.8	79.7	70	63.9	52.3	45.7	58.76
1957	32.7	42	48.5	59.9	69	80.9	83.5	78.5	74.2	62.5	55.4	46.3	61.12
1958	37.5	33.2	44.8	58.1	63.2	72.2	81.2	78.7	71.7	60.5	52.8	34.4	57.36
1959	37	37.5	44.8	58.1	70.3	74.3	79.1	81.3	76.3	63.9	52.2	43.9	59.89
1960	38.2	42.9	39.3	59.3	69.3	77.4	79.9	78.9	70.4	63.3	55.8	38.7	59.45
1961	33.9	40.4	45.8	54.3	64.9	77.2	80.8	80.1	78.7	65.6	52.3	40.5	59.54
1962	38.8	37	47.8	57.3	69.1	76.4	78.7	77.6	70	62.4	49.3	38	58.53
1963	37.7	35.9	48.2	59.9	68.1	78.4	81.3	78	69.1	69	55.2	34.9	59.64
1964	39.9	36.7	46.7	53.9	72.8	75.8	79.1	77.9	73	63.1	55.8	42.8	59.79
1965	34.7	37.8	44.5	55.1	72.6	76.7	79.8	78.8	72.3	61.4	51.1	43.7	59.04
1966	36	39.4	47.5	53.7	63.9	77.6	84.8	81.7	71.4	62.7	54.6	40.9	59.52
1967	42.2	35.7	42.3	55.1	61.4	76.6	79.8	77.4	72	62.6	48.1	43.1	58.03
1968	33.2	35.4	48.6	61.8	65.8	73.8	82.4	80.3	77	65.5	50.8	38.5	59.43
1969	35.8	35.9	43.4	58.3	67.8	74.9	76.8	81.7	73.2	63.5	50.6	38.5	58.37
1970	30.7	39	43.3	57.4	67.9	75.9	81.3	82.6	75.4	64.5	53.4	40.1	59.29
1971	32.8	39.4	45.4	54.7	65	77.7	80	80.4	74.8	69	50	46	59.60
1972	41.5	38.4	44.9	54.4	68.8	73.2	82	80.4	75.8	59.3	46.8	41.8	58.94
1973	41	38.4	52	59.1	64.6	78.6	82.6	84	74.4	65.5	52.8	45.8	61.57
1974	41	37.1	49	60.3	66	75	83.1	83.3	72.3	60.3	54.1	44	60.46
1975	42.6	39.6	45.4	54.8	71.4	76	82.6	81.2	70.9	65.2	57.8	42.5	60.83
1976	34	46.8	48.4	62.8	66.6	78.7	80.1	80.4	73.3	58.4	47.5	36.5	59.46
1977	28.5	38.3	52	58.7	72.1	74.9	83.5	81.6	73.7	60.7	52.1	40.1	59.68
1978	34.7	32.4	44.4	56.5	66.3	76	78	79.9	70.2	61	52.1	43.8	57.94
1979	37.1	27.4	51.1	55.7	68.4	73.1	82.7	79.5	73	61.7	56.1	45.4	59.27
1980	38.3	34.9	43.4	57.2	71	75.3	81.7	83.5	76.9	62	49.3	38.6	59.34
1981	29.3	42.1	46.5	58.4	69.5	78.3	84.5	80.5	71.6	59.2	51.9	40.3	59.34
1982	31.9	38.5	45.9	56.8	69.4	71.6	82.7	78.4	72.8	64.8	55.5	48.2	59.71
1983	40.6	42.2	49.5	57.8	64.4	80.1	85.2	82.1	78.1	63.4	54.9	40.6	61.58
1984	34.2	45.5	42.2	57.1	65.8	79.2	79.5	82	72.4	65.6	53.3	49.6	60.53
1985	33.6	40.3	51.6	61.2	70.5	74.3	82.4	79.9	76.3	65.4	55	39.2	60.81
1986	40.2	36.2	50.6	59	72.2	76.2	81	77.7	71.1	63.8	51.5	43.3	60.23
1987	37.9	38.5	51.2	59.7	69.8	78.9	83.4	79.2	73	62.7	54.8	43.7	61.07
1988	34.9	40.1	48.8	55.6	68.4	78.2	83.5	83.5	73.1	59	55.3	41.8	60.18
1989	42.8	38.7	46.7	57.3	68.2	78.3	81	80.7	74.8	65.4	51.5	32.8	59.85
1990	45.2	45.3	50.8	57.1	66	77.2	80.9	80.8	73.5	67.9	56.8	48.4	62.49
1991	40.8	45.5	50.5	61.5	74.7	80.1	83.8	82.7	72.9	65.1	53.4	46.2	63.10
1992	40.96	42.27	45.75	55.23	68.17	75.07	79.1	77.85	72.11	61.6	51.36	43.6	59.42
1993	41.3	37.5	44.2	58	71.9	78.2	85.3	82.2	72.7	61.2	54.5	42.9	60.83
1994	33.9	36.7	47	61.7	68.2	80.1	85.8	79.2	73.4	64.6	58	48.3	61.41
1995	43.9	39.6	50.8	57.7	66.8	77.2	83.3	84.4	74.1	68.3	50.1	39.6	61.32
1996	37.5	40	45.2	57.4	67.7	76.3	77.6	79.3	73.1	63.3	49.1	46.1	59.38
1997	38.8	45.4	47.6	57.9	65.6	77.6	83.2	80.4	73.7	64	50	44.4	60.72
1998	45.9	46	49.5	59.4	71	74.6	82.6	83	76.5	64	54.1	48.6	62.93
1999	42	43.8	49.5	60.7	71	80.2	87.3	80.8	75	63.8	57.3	46.5	63.16
2000	37.8	43.1	53.9	56.3	69.9	77	78.5	79.3	73.5	64.4	52	37.7	60.28
2001	39.1	42	44.9	60.5	70.3	80.3	79.9	81.5	75	66	59.3	50	62.40
2002	45.8	47.7	51.5	62.4	67.8	77.5	84.9	84.1	76	61.9	51.6	42	62.77
2003	33.4	36.1	50.3	55.9	65.1	74.9	81.9	82.5	74.6	62.2	56.7	44.9	59.88
2004	30.8	42	47.8	58.9	71.2	77.1	80.6	79.5	76.5	62.5	54.6	44.6	60.51
2005	36.8	42.1	45.1	61.7	64.4	78.7	83.3	86	81.1	63.7	56.7	41.7	61.78
2006	46.1	42.2	48.8	62.3	68.6	76.5	83.7	81.9	72.5	63.4	57.3	50.1	62.78
2007	43	35.6	48.5	56.6	72.2	77.6	81.7	81.3	76.8	70	51.9	42.3	61.46
2008	41.8	43.3	47.1	61.5	67	80.6	84	81.7	72.8	62.6	50.8	46.9	61.68
2009	33.8	43	48	60.4	67.7	73.2	79.3	82.5	72.4	61.9	55.8	41.5	59.96
2010	36.7	37.7	53.8	65	72.4	80.1	86.8	82	76.2	64	53.1	37.2	62.08
2011	33.7	41.8	48	58.9	70.4	78.2	85.3	81.1	75.8	64.1	58.6	49.5	62.12
2012	44.6	46.2	55.8	62.2	70.3	77	83.6	82.4	74.1	64.8	50.2	47.3	63.21
2013	40.9	38.7	45.3	59.1	69.1	77.6	84.2	79.8	73.9	66.8	52.5	44	60.99
2014	36.6	39	45.6	58.7	69.4	77.5	80.8	79.5	74	63.8	50.7	44.4	60.00
2015	34.5	29.1	42.4	58	71.8	75.5	82.6	84.1	80.2	62.5	57.3	54.6	61.05
2016	40.2	43	52.9	57.2	67.2	77.9	84	85.2	75.2	65.3	55.5	43.5	62.26
2017	41.2	45.6	43.9	61.6	65.9	76	80.9	78.9	74.6	68.6	53	39	60.77
2018	36.8	46.8	44	53.5	70.9	75.5	83	82.8	75	62.6	49.6	44.1	60.38
2019	38.1	40.8	45.8	59.3	66.5	76.1	85	81.2	75.7	64.7	50	43.3	60.54
2020	44.1	44.9	52.6	54	67.2	79.6	84.7	81.9	74.4	63.1	58.5	44.1	62.43
2021	37.9	37.2	51.1	59.9	68.1	79.1	81.5	82.4	76.3	68.1	53.6	48.6	61.98
2022	37.4	44.1	51.5	58.8	71	77.1	84.5	85.5	75.8	64.3	57.4	44.4	62.65
2023	47.7	46.4	49.7	62.8	69.4	75.5	83.8	78.9	74.4	66.5	52.5	48.7	63.03
2024	40.5	42.9	53.9	58.8	68.7	79.5	82.7	80.7	73.8	68.1	57.6	43.9	62.59
2025	36.4	40.7	53.4										130.50
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals
Average	38.39	40.28	47.48	58.56	68.41	76.97	82.22	80.92	74.10	63.95	53.26	43.18	60.64
Maximum	47.7	47.7	55.8	75.3	74.7	80.9	87.3	86	84.3	70	59.3	54.6	63.98
Minimum	28.5	27.4	39.3	53.5	61.4	71.6	76.8	77.4	69.1	58.4	46.8	32.8	57.36